SIMBAD references

2017AJ....153...45M - Astron. J., 153, 45-45 (2017/January-0)

Kepler-108: a mutually inclined giant planet system.


Abstract (from CDS):

The vast majority of well studied giant-planet systems, including the solar system, are nearly coplanar, which implies dissipation within a primordial gas disk. However, intrinsic instability may lead to planet-planet scattering, which often produces non-coplanar, eccentric orbits. Planet scattering theories have been developed to explain observed high-eccentricity systems and also hot Jupiters; thus far their predictions for mutual inclination (I) have barely been tested. Here we characterize a highly mutually inclined (I=24–8+11°), moderately eccentric (e 0.1) giant planet system: Kepler-108. This system consists of two approximately Saturn-mass planets with periods of approximately 49 and 190 days around a star with a wide (∼300 au) binary companion in an orbital configuration inconsistent with a purely disk migration origin.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): methods: data analysis - planetary systems - planets and satellites: individual: Kepler-108 - techniques: photometric - techniques: photometric

Simbad objects: 13

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